DIN 6888, ISO 3912
Woodruff Keys are stocked in C45k key steel, with a minimum tensile strength of 60Kg/mm2. Stainless steel grade A4 woodruff keys are also available to order. Torqbolt supply woodruff keys to DIN 6888 / ISO 3912 metric sizes and BS 46 Part 1 imperial sizes.
We make standard and non-standard woodruff keys which can be made to customer specifications or drawing

| Key Number | Width 'W' | Height 'H' | Diameter (d2 x 2) |
|---|---|---|---|
| 203 | 1/16 | 0.166 - 0.171 | 3/8 |
| 204 | 1/16 | 0.198 - 0.203 | 1/2 |
| 303 | 3/32 | 0.166 - 0.171 | 3/8 |
| 304 | 3/32 | 0.198 - 0.203 | 1/2 |
| 305 | 3/32 | 0.245 - 0.250 | 5/8 |
| 403 | 1/8 | 0.166 - 0.171 | 3/8 |
| 404 | 1/8 | 0.198 - 0.203 | 1/2 |
| 405 | 1/8 | 0.245 - 0.250 | 5/8 |
| 406 | 1/8 | 0.308 - 0.313 | 3/4 |
| 505 | 5/32 | 0.245 - 0.250 | 7/8 |
| 506 | 5/32 | 0.308 - 0.313 | 3/4 |
| 507 | 5/32 | 0.370 - 0.375 | 7/8 |
| 606 | 3/16 | 0.308 - 0.313 | 1 |
| 607 | 3/16 | 0.370 - 0.375 | 1 1/8 |
| 608 | 3/16 | 0.433 - 0.438 | 7/8 |
| 609 | 3/16 | 0.479 - 0.484 | 1 |
| 807 | 1/4 | 0.370 - 0.375 | 1 1/8 |
| 808 | 1/4 | 0.433 - 0.438 | 1 1/4 |
| 809 | 1/4 | 0.479 - 0.484 | 1 1/2 |
| 810 | 1/4 | 0.542 - 0.547 | 1 |
| 812 | 1/4 | 0.636 - 0.641 | 1 1/8 |
| 1008 | 5/16 | 0.433 - 0.438 | 1 1/4 |
| 1009 | 5/16 | 0.479 - 0.484 | 1 1/8 |
| 1010 | 5/16 | 0.542 - 0.547 | 1 1/4 |
| 1011 | 5/16 | 0.589 - 0.594 | 1 3/8 |
| 1012 | 5/16 | 0.636 - 0.641 | 1 1/2 |
| 1210 | 3/8 | 0.542 - 0.547 | 1 1/4 |
| 1211 | 3/8 | 0.589 - 0.594 | 1 3/8 |
| 1212 | 3/8 | 0.589 - 0.594 | 1 1/2 |

| Width 'W' | Height 'H' | Length 'L' | Diameter (d2 x 2) |
|---|---|---|---|
| 1.5 mm | 2.6 mm | 6.75 mm | 7.0 mm |
| 2 mm | 2.6 mm | 6.75 mm | 7.0 mm |
| 2 mm | 3.7 mm | 9.66 mm | 10.0 mm |
| 2 mm | 5.0 mm | 12.65 mm | 13.0 mm |
| 2.5 mm | 3.7 mm | 9.66 mm | 10.0 mm |
| 3 mm | 3.7 mm | 9.66 mm | 10.0 mm |
| 3 mm | 5.0 mm | 12.65 mm | 13.0 mm |
| 3 mm | 6.5 mm | 15.72 mm | 16.0 mm |
| 4 mm | 5.0 mm | 12.65 mm | 13.0 mm |
| 4 mm | 6.5 mm | 15.72 mm | 16.0 mm |
| 4 mm | 7.5 mm | 18.57 mm | 19.0 mm |
| 5 mm | 6.5 mm | 15.72 mm | 16.0 mm |
| 5 mm | 7.5 mm | 18.57 mm | 19.0 mm |
| 5 mm | 9.0 mm | 21.63 mm | 22.0 mm |
| 5 mm | 10.0 mm | 24.49 mm | 25.0 mm |
| 6 mm | 7.5 mm | 18.57 mm | 19.0 mm |
| 6 mm | 9.0 mm | 21.63 mm | 22.0 mm |
| 6 mm | 10.0 mm | 24.49 mm | 25.0 mm |
| 6 mm | 11.0 mm | 27.35 mm | 28.0 mm |
| 7 mm | 10.0 mm | 24.49 mm | 25.0 mm |
| 8 mm | 9.0 mm | 21.63 mm | 22.0 mm |
| 8 mm | 11.0 mm | 27.35 mm | 28.0 mm |
| 8 mm | 13.0 mm | 31.43 mm | 32.0 mm |
| 10 mm | 11.0 mm | 27.35 mm | 28.0 mm |
| 10 mm | 13.0 mm | 31.43 mm | 32.0 mm |
| 10 mm | 16.0 mm | 43.08 mm | 45.0 mm |